package com.itheima.reggie.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.itheima.reggie.domain.ShoppingCart;

import java.util.List;

public interface ShoppingCartService extends IService<ShoppingCart> {
    List<ShoppingCart> findShopping();

    ShoppingCart add(ShoppingCart shoppingCart);


    void deleteByUserId();

    ShoppingCart MinusOne(ShoppingCart shoppingCart);
}

